/* === DESIGN TOKENS === */
:root {
  --primary: #0B1F3A;
  --secondary: #F5A623;
  --background: #F9F7F3;
  --surface: #fbf9f5;
  --surface-container-low: #f5f3ef;
  --surface-container: #efeeea;
  --surface-container-high: #eae8e4;
  --surface-container-highest: #e4e2de;
  --surface-container-lowest: #ffffff;
  --tertiary: #1C1C1E;
  --on-surface: #1b1c1a;
  --on-surface-variant: #44474d;
  --on-primary-container: #7587a7;
  --outline-variant: #c4c6ce;
  --secondary-container: #feae2c;
  --primary-container: #0b1f3a;
  --font-headline: 'Space Grotesk', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  --shadow-ambient: 0 12px 40px rgba(11, 31, 58, 0.08);
}

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--background);
  color: var(--on-surface);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6, .nav-item {
  font-family: var(--font-headline);
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* === BUTTONS === */
.btn-primary {
  background: var(--secondary);
  color: var(--primary);
  font-family: var(--font-headline);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  padding: 16px 48px;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: transform 0.3s, background 0.3s;
  display: inline-block;
  text-align: center;
}
.btn-primary:hover { transform: translateY(-4px); background: #fff; }

.btn-secondary {
  background: transparent;
  color: var(--on-primary-container);
  font-family: var(--font-headline);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  padding: 16px 48px;
  border: 2px solid var(--on-primary-container);
  border-radius: 0;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
  display: inline-block;
  text-align: center;
}
.btn-secondary:hover { background: var(--on-primary-container); color: var(--primary); }

.btn-nav {
  background: var(--secondary);
  color: var(--primary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  padding: 12px 32px;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.3s;
}
.btn-nav:hover { background: #fff; }

/* === INPUT FIELDS (Plinth Style) === */
.input-plinth {
  width: 100%;
  background: #071c36;
  border: none;
  border-bottom: 2px solid var(--on-primary-container);
  padding: 16px;
  color: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: 0;
  outline: none;
  transition: border-color 0.3s;
}
.input-plinth::placeholder { color: rgba(255,255,255,0.3); }
.input-plinth:focus { border-bottom-color: var(--secondary); }

.input-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--secondary);
  margin-bottom: 8px;
}

.input-plinth-light {
  width: 100%;
  background: var(--surface-container-low);
  border: none;
  border-bottom: 2px solid var(--outline-variant);
  padding: 16px;
  color: var(--on-surface);
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: 0;
  outline: none;
  transition: border-color 0.3s;
}
.input-plinth-light::placeholder { color: var(--on-surface-variant); }
.input-plinth-light:focus { border-bottom-color: var(--primary); }

.input-label-dark {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 8px;
}

/* === SERVICE CARDS === */
.service-card {
  background: var(--surface-container-lowest);
  padding: 40px;
  border: 1px solid rgba(196,198,206,0.1);
  transition: background 0.3s, color 0.3s;
}
.service-card:hover {
  background: var(--primary);
  color: #fff;
}
.service-card:hover .service-card__desc { color: rgba(255,255,255,0.7); }
.service-card:hover .service-card__icon { color: #fff; }
.service-card__icon { color: var(--secondary); font-size: 3rem; margin-bottom: 24px; }
.service-card__title {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.service-card__desc { color: var(--on-surface-variant); margin-bottom: 32px; line-height: 1.6; }
.service-card__link {
  font-size: 0.8rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 2px solid var(--secondary);
  padding-bottom: 4px;
}

/* === FAQ ACCORDION === */
.faq-item {
  background: var(--surface-container-lowest);
  padding: 24px;
  border-bottom: 2px solid rgba(196,198,206,0.3);
  cursor: pointer;
}
.faq-item.active { border-bottom: 4px solid var(--primary); }
.faq-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item__question {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
.faq-item__icon { transition: transform 0.3s; }
.faq-item.active .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  color: var(--on-surface-variant);
  line-height: 1.7;
}
.faq-item.active .faq-item__answer {
  max-height: 300px;
  padding-top: 16px;
}

/* === VIDEO SHOWCASE (scroll-driven) === */
.video-showcase {
  position: relative;
  height: 130vh;
}
.video-showcase__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: var(--primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
}
.video-showcase video {
  width: 100vw;
  height: auto;
  display: block;
}
.video-showcase__canvas {
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.video-showcase__overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 4rem 3rem;
  background:
    linear-gradient(to top, rgba(11,31,58,0.8) 0%, transparent 50%),
    linear-gradient(to bottom, rgba(11,31,58,0.4) 0%, transparent 20%);
  pointer-events: none;
}
.video-showcase__label {
  font-family: var(--font-headline);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}
.video-showcase__heading {
  font-family: var(--font-headline);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  color: #fff;
  line-height: 0.9;
}
.video-showcase__progress {
  width: 100%;
  max-width: 300px;
  height: 2px;
  background: rgba(255,255,255,0.15);
  margin-top: 2rem;
}
.video-showcase__progress-bar {
  height: 100%;
  width: 0%;
  background: var(--secondary);
}

@media (max-width: 1024px) {
  .video-showcase {
    display: none;
  }
}

/* === SCROLL ANIMATIONS === */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === MOBILE MENU OVERLAY === */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(11, 31, 58, 0.95);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  z-index: 100;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.mobile-menu.open { opacity: 1; pointer-events: all; }
.mobile-menu a {
  font-family: var(--font-headline);
  font-size: 2rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #fff;
  letter-spacing: -0.02em;
  transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--secondary); }
.mobile-menu__close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
}

/* === NAV ACTIVE STATE === */
.nav-active {
  color: #F5A623 !important;
  border-bottom: 4px solid #F5A623;
  padding-bottom: 4px;
}